package blobovnicza import ( "github.com/nspcc-dev/neofs-node/pkg/core/object" objectSDK "github.com/nspcc-dev/neofs-sdk-go/object" "go.etcd.io/bbolt" "go.uber.org/zap" ) // GetPrm groups the parameters of Get operation. type GetPrm struct { addr *objectSDK.Address } // GetRes groups resulting values of Get operation. type GetRes struct { obj []byte } // SetAddress sets address of the requested object. func (p *GetPrm) SetAddress(addr *objectSDK.Address) { p.addr = addr } // Object returns binary representation of the requested object. func (p *GetRes) Object() []byte { return p.obj } // Get reads the object from Blobovnicza by address. // // Returns any error encountered that // did not allow to completely read the object. // // Returns ErrNotFound if requested object is not // presented in Blobovnicza. func (b *Blobovnicza) Get(prm *GetPrm) (*GetRes, error) { var ( data []byte addrKey = addressKey(prm.addr) ) if err := b.boltDB.View(func(tx *bbolt.Tx) error { return b.iterateBuckets(tx, func(lower, upper uint64, buck *bbolt.Bucket) (bool, error) { data = buck.Get(addrKey) stop := data != nil if stop { b.log.Debug("object is found in bucket", zap.String("binary size", stringifyByteSize(uint64(len(data)))), zap.String("range", stringifyBounds(lower, upper)), ) } return stop, nil }) }); err != nil { return nil, err } if data == nil { return nil, object.ErrNotFound } return &GetRes{ obj: data, }, nil }